package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * @author 深蓝色的橘子
 * @create 2023-05-06 14:54
 */
@RestController
@RequestMapping("/user")
@Slf4j
public class UserController {
    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;

    /**
     * 发送手机段短信验证码
     * @param user
     * @return
     */
    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session ){
        //获取手机号
        String phone = user.getPhone();
        if (StringUtils.isNotEmpty(phone)){
            //生产随机的四位手机验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code = {}" ,code);
            //调用阿里云短信服务API完成发送短信
            // 需要花钱 SMSUtils.sendMessage("瑞吉外卖","",phone,code);
            //需要将我们生成的 验证码保存到session
//            session.setAttribute(phone,code);
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);
            return R.success("手机验证码短信发送成功！");
        }
        return R.error("短信发送失败！");
    }

    /**
     * 移动端用户登录
     * @param map
     * @param session
     * @return
     */

    @PostMapping("/login")
    public R<User> login(@RequestBody Map map, HttpSession session ){
        log.info(map.toString());
        //获取手机号码
        String phone = map.get("phone").toString();

        //获取验证码
        String code = map.get("code").toString();
        //从我们的session 当中获取保存的验证码

//        Object codeInSession = session.getAttribute(phone);
        //从redis中获取验证码
        Object codeInSession =redisTemplate.opsForValue().get(phone);

        //进行验证码的比对（页面提交的验证码和session中保存的验证码进行比对）
        if (codeInSession !=null && codeInSession.equals(code)){
            //如果能比对成功 ，说明登录成功
            LambdaQueryWrapper<User> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(User::getPhone,phone);
            User user = userService.getOne(queryWrapper);
            if (user == null){
                // 判断当前手机号是否为新用户，如果是新用户自动完成注册
                user  = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user.getId());
            //用户登录成功删除redis中的验证码
            redisTemplate.delete(phone);
            return R.success(user);
        }

        return R.error("登录失败！");
    }

}
